public static DocumentStreamHead ToDocumentStreamHead(this CommitAttempt commit)
{
return(new DocumentStreamHead
{
Id = DocumentStreamHead.GetStreamHeadId(commit.BucketId, commit.StreamId),
BucketId = commit.BucketId,
StreamId = commit.StreamId,
HeadRevision = commit.StreamRevision,
SnapshotRevision = 0
});
}
public static DocumentStreamHead ToDocumentStreamHead(this ISnapshot snapshot)
{
return(new DocumentStreamHead
{
Id = DocumentStreamHead.GetStreamHeadId(snapshot.BucketId, snapshot.StreamId),
BucketId = snapshot.BucketId,
StreamId = snapshot.StreamId,
HeadRevision = snapshot.StreamRevision,
SnapshotRevision = snapshot.StreamRevision
});
}
private void SaveStreamHead(DocumentStreamHead updated)
{
TryExecute(() =>
{
var collection = this.EnsureCollection(this.Options.StreamHeadCollectionName).Result;
var documents = this.Client.ReadDocumentFeedAsync(collection.DocumentsLink).Result;
var documentId = DocumentStreamHead.GetStreamHeadId(updated.BucketId, updated.StreamId);
var streamHead = documents.Where(d => d.Id == documentId).FirstOrDefault() ?? updated;
streamHead.HeadRevision = updated.HeadRevision;
if (updated.SnapshotRevision > 0)
{
streamHead.SnapshotRevision = updated.SnapshotRevision;
}
return(this.Client.ReplaceDocumentAsync(streamHead).Result);
});
}